Basically, this is a FTP client for Revit that assists with packaging and uploading models.
While it was once a free add-in, it now costs USD1.99…
Check it out at:
Model Uploader – FTP | Autodesk Revit | Autodesk Exchange Apps
Heads-up via
Revit Add-Ons: Free FTP Model Uploader Add-in for Revit